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path: root/drivers/staging/iio/accel/sca3000_core.c
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Diffstat (limited to 'drivers/staging/iio/accel/sca3000_core.c')
-rw-r--r--drivers/staging/iio/accel/sca3000_core.c178
1 files changed, 87 insertions, 91 deletions
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 1c229869a22d..d4f82c39f335 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -27,11 +27,9 @@
enum sca3000_variant {
d01,
- d03,
e02,
e04,
e05,
- l01,
};
/* Note where option modes are not defined, the chip simply does not
@@ -44,21 +42,20 @@ enum sca3000_variant {
static const struct sca3000_chip_info sca3000_spi_chip_info_tbl[] = {
{
.name = "sca3000-d01",
+ .scale = " 0.0073575",
.temp_output = true,
.measurement_mode_freq = 250,
.option_mode_1 = SCA3000_OP_MODE_BYPASS,
.option_mode_1_freq = 250,
}, {
- /* No data sheet available - may be the same as the 3100-d03?*/
- .name = "sca3000-d03",
- .temp_output = true,
- }, {
.name = "sca3000-e02",
+ .scale = "0.00981",
.measurement_mode_freq = 125,
.option_mode_1 = SCA3000_OP_MODE_NARROW,
.option_mode_1_freq = 63,
}, {
.name = "sca3000-e04",
+ .scale = "0.01962",
.measurement_mode_freq = 100,
.option_mode_1 = SCA3000_OP_MODE_NARROW,
.option_mode_1_freq = 50,
@@ -66,18 +63,12 @@ static const struct sca3000_chip_info sca3000_spi_chip_info_tbl[] = {
.option_mode_2_freq = 400,
}, {
.name = "sca3000-e05",
+ .scale = "0.0613125",
.measurement_mode_freq = 200,
.option_mode_1 = SCA3000_OP_MODE_NARROW,
.option_mode_1_freq = 50,
.option_mode_2 = SCA3000_OP_MODE_WIDE,
.option_mode_2_freq = 400,
- }, {
- /* No data sheet available.
- * Frequencies are unknown.
- */
- .name = "sca3000-l01",
- .temp_output = true,
- .option_mode_1 = SCA3000_OP_MODE_BYPASS,
},
};
@@ -286,7 +277,7 @@ static int sca3000_check_status(struct device *dev)
if (ret < 0)
goto error_ret;
if (rx[1] & SCA3000_EEPROM_CS_ERROR)
- dev_err(dev, "eeprom error \n");
+ dev_err(dev, "eeprom error\n");
if (rx[1] & SCA3000_SPI_FRAME_ERROR)
dev_err(dev, "Previous SPI Frame was corrupt\n");
kfree(rx);
@@ -327,6 +318,14 @@ error_ret:
return ret ? ret : len;
}
+static ssize_t sca3000_show_scale(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct iio_dev *dev_info = dev_get_drvdata(dev);
+ struct sca3000_state *st = dev_info->dev_data;
+ return sprintf(buf, "%s\n", st->info->scale);
+}
static ssize_t sca3000_show_name(struct device *dev,
struct device_attribute *attr,
@@ -395,7 +394,7 @@ sca3000_show_available_measurement_modes(struct device *dev,
break;
}
/* always supported */
- len += sprintf(buf + len, " 3 - motion detection \n");
+ len += sprintf(buf + len, " 3 - motion detection\n");
return len;
}
@@ -495,7 +494,7 @@ error_ret:
/* Not even vaguely standard attributes so defined here rather than
* in the relevant IIO core headers
*/
-static IIO_DEVICE_ATTR(available_measurement_modes, S_IRUGO,
+static IIO_DEVICE_ATTR(measurement_mode_available, S_IRUGO,
sca3000_show_available_measurement_modes,
NULL, 0);
@@ -508,6 +507,8 @@ static IIO_DEVICE_ATTR(measurement_mode, S_IRUGO | S_IWUSR,
static IIO_DEV_ATTR_NAME(sca3000_show_name);
static IIO_DEV_ATTR_REV(sca3000_show_rev);
+static IIO_DEVICE_ATTR(accel_scale, S_IRUGO, sca3000_show_scale,
+ NULL, 0);
static IIO_DEV_ATTR_ACCEL_X(sca3000_read_13bit_signed,
SCA3000_REG_ADDR_X_MSB);
@@ -683,7 +684,7 @@ error_free_lock:
/* Should only really be registered if ring buffer support is compiled in.
* Does no harm however and doing it right would add a fair bit of complexity
*/
-static IIO_DEV_ATTR_AVAIL_SAMP_FREQ(sca3000_read_av_freq);
+static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(sca3000_read_av_freq);
static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
sca3000_read_frequency,
@@ -718,7 +719,10 @@ static ssize_t sca3000_read_temp(struct device *dev,
error_ret:
return ret;
}
-static IIO_DEV_ATTR_TEMP(sca3000_read_temp);
+static IIO_DEV_ATTR_TEMP_RAW(sca3000_read_temp);
+
+static IIO_CONST_ATTR(temp_scale, "0.555556");
+static IIO_CONST_ATTR(temp_offset, "-214.6");
/**
* sca3000_show_thresh() sysfs query of a threshold
@@ -770,31 +774,34 @@ static ssize_t sca3000_write_thresh(struct device *dev,
return ret ? ret : len;
}
-static IIO_DEV_ATTR_ACCEL_THRESH_X(S_IRUGO | S_IWUSR,
- sca3000_show_thresh,
- sca3000_write_thresh,
- SCA3000_REG_CTRL_SEL_MD_X_TH);
-static IIO_DEV_ATTR_ACCEL_THRESH_Y(S_IRUGO | S_IWUSR,
- sca3000_show_thresh,
- sca3000_write_thresh,
- SCA3000_REG_CTRL_SEL_MD_Y_TH);
-static IIO_DEV_ATTR_ACCEL_THRESH_Z(S_IRUGO | S_IWUSR,
- sca3000_show_thresh,
- sca3000_write_thresh,
- SCA3000_REG_CTRL_SEL_MD_Z_TH);
+static IIO_DEVICE_ATTR(accel_x_mag_either_rising_value,
+ S_IRUGO | S_IWUSR,
+ sca3000_show_thresh,
+ sca3000_write_thresh,
+ SCA3000_REG_CTRL_SEL_MD_X_TH);
+
+static IIO_DEVICE_ATTR(accel_y_mag_either_rising_value,
+ S_IRUGO | S_IWUSR,
+ sca3000_show_thresh,
+ sca3000_write_thresh,
+ SCA3000_REG_CTRL_SEL_MD_Y_TH);
+
+static IIO_DEVICE_ATTR(accel_z_mag_either_rising_value,
+ S_IRUGO | S_IWUSR,
+ sca3000_show_thresh,
+ sca3000_write_thresh,
+ SCA3000_REG_CTRL_SEL_MD_Z_TH);
static struct attribute *sca3000_attributes[] = {
&iio_dev_attr_name.dev_attr.attr,
&iio_dev_attr_revision.dev_attr.attr,
- &iio_dev_attr_accel_x.dev_attr.attr,
- &iio_dev_attr_accel_y.dev_attr.attr,
- &iio_dev_attr_accel_z.dev_attr.attr,
- &iio_dev_attr_thresh_accel_x.dev_attr.attr,
- &iio_dev_attr_thresh_accel_y.dev_attr.attr,
- &iio_dev_attr_thresh_accel_z.dev_attr.attr,
- &iio_dev_attr_available_measurement_modes.dev_attr.attr,
+ &iio_dev_attr_accel_scale.dev_attr.attr,
+ &iio_dev_attr_accel_x_raw.dev_attr.attr,
+ &iio_dev_attr_accel_y_raw.dev_attr.attr,
+ &iio_dev_attr_accel_z_raw.dev_attr.attr,
+ &iio_dev_attr_measurement_mode_available.dev_attr.attr,
&iio_dev_attr_measurement_mode.dev_attr.attr,
- &iio_dev_attr_available_sampling_frequency.dev_attr.attr,
+ &iio_dev_attr_sampling_frequency_available.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
NULL,
};
@@ -802,18 +809,18 @@ static struct attribute *sca3000_attributes[] = {
static struct attribute *sca3000_attributes_with_temp[] = {
&iio_dev_attr_name.dev_attr.attr,
&iio_dev_attr_revision.dev_attr.attr,
- &iio_dev_attr_accel_x.dev_attr.attr,
- &iio_dev_attr_accel_y.dev_attr.attr,
- &iio_dev_attr_accel_z.dev_attr.attr,
- &iio_dev_attr_thresh_accel_x.dev_attr.attr,
- &iio_dev_attr_thresh_accel_y.dev_attr.attr,
- &iio_dev_attr_thresh_accel_z.dev_attr.attr,
- &iio_dev_attr_available_measurement_modes.dev_attr.attr,
+ &iio_dev_attr_accel_scale.dev_attr.attr,
+ &iio_dev_attr_accel_x_raw.dev_attr.attr,
+ &iio_dev_attr_accel_y_raw.dev_attr.attr,
+ &iio_dev_attr_accel_z_raw.dev_attr.attr,
+ &iio_dev_attr_measurement_mode_available.dev_attr.attr,
&iio_dev_attr_measurement_mode.dev_attr.attr,
- &iio_dev_attr_available_sampling_frequency.dev_attr.attr,
+ &iio_dev_attr_sampling_frequency_available.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
/* Only present if temp sensor is */
- &iio_dev_attr_temp.dev_attr.attr,
+ &iio_dev_attr_temp_raw.dev_attr.attr,
+ &iio_const_attr_temp_offset.dev_attr.attr,
+ &iio_const_attr_temp_scale.dev_attr.attr,
NULL,
};
@@ -910,7 +917,7 @@ static ssize_t sca3000_query_mo_det(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
struct sca3000_state *st = indio_dev->dev_data;
struct iio_event_attr *this_attr = to_iio_event_attr(attr);
int ret, len = 0;
@@ -975,7 +982,7 @@ static ssize_t sca3000_query_ring_int(struct device *dev,
struct iio_event_attr *this_attr = to_iio_event_attr(attr);
int ret, len;
u8 *rx;
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
struct sca3000_state *st = indio_dev->dev_data;
mutex_lock(&st->lock);
ret = sca3000_read_data(st, SCA3000_REG_ADDR_INT_MASK, &rx, 1);
@@ -995,7 +1002,7 @@ static ssize_t sca3000_set_ring_int(struct device *dev,
const char *buf,
size_t len)
{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
struct sca3000_state *st = indio_dev->dev_data;
struct iio_event_attr *this_attr = to_iio_event_attr(attr);
@@ -1085,7 +1092,7 @@ static ssize_t sca3000_set_mo_det(struct device *dev,
const char *buf,
size_t len)
{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev->parent);
struct sca3000_state *st = indio_dev->dev_data;
struct iio_event_attr *this_attr = to_iio_event_attr(attr);
long val;
@@ -1155,20 +1162,23 @@ IIO_EVENT_ATTR_FREE_FALL_DETECT_SH(iio_event_all,
0)
/* Motion detector related event attributes */
-IIO_EVENT_ATTR_ACCEL_X_HIGH_SH(iio_event_all,
- sca3000_query_mo_det,
- sca3000_set_mo_det,
- SCA3000_MD_CTRL_OR_X);
-
-IIO_EVENT_ATTR_ACCEL_Y_HIGH_SH(iio_event_all,
- sca3000_query_mo_det,
- sca3000_set_mo_det,
- SCA3000_MD_CTRL_OR_Y);
-
-IIO_EVENT_ATTR_ACCEL_Z_HIGH_SH(iio_event_all,
- sca3000_query_mo_det,
- sca3000_set_mo_det,
- SCA3000_MD_CTRL_OR_Z);
+IIO_EVENT_ATTR_SH(accel_x_mag_either_rising_en,
+ iio_event_all,
+ sca3000_query_mo_det,
+ sca3000_set_mo_det,
+ SCA3000_MD_CTRL_OR_X);
+
+IIO_EVENT_ATTR_SH(accel_y_mag_either_rising_en,
+ iio_event_all,
+ sca3000_query_mo_det,
+ sca3000_set_mo_det,
+ SCA3000_MD_CTRL_OR_Y);
+
+IIO_EVENT_ATTR_SH(accel_z_mag_either_rising_en,
+ iio_event_all,
+ sca3000_query_mo_det,
+ sca3000_set_mo_det,
+ SCA3000_MD_CTRL_OR_Z);
/* Hardware ring buffer related event attributes */
IIO_EVENT_ATTR_RING_50_FULL_SH(iio_event_all,
@@ -1183,11 +1193,14 @@ IIO_EVENT_ATTR_RING_75_FULL_SH(iio_event_all,
static struct attribute *sca3000_event_attributes[] = {
&iio_event_attr_free_fall.dev_attr.attr,
- &iio_event_attr_accel_x_high.dev_attr.attr,
- &iio_event_attr_accel_y_high.dev_attr.attr,
- &iio_event_attr_accel_z_high.dev_attr.attr,
+ &iio_event_attr_accel_x_mag_either_rising_en.dev_attr.attr,
+ &iio_event_attr_accel_y_mag_either_rising_en.dev_attr.attr,
+ &iio_event_attr_accel_z_mag_either_rising_en.dev_attr.attr,
&iio_event_attr_ring_50_full.dev_attr.attr,
&iio_event_attr_ring_75_full.dev_attr.attr,
+ &iio_dev_attr_accel_x_mag_either_rising_value.dev_attr.attr,
+ &iio_dev_attr_accel_y_mag_either_rising_value.dev_attr.attr,
+ &iio_dev_attr_accel_z_mag_either_rising_value.dev_attr.attr,
NULL,
};
@@ -1325,7 +1338,7 @@ static int __devinit __sca3000_probe(struct spi_device *spi,
if (ret < 0)
goto error_free_dev;
regdone = 1;
- ret = iio_ring_buffer_register(st->indio_dev->ring);
+ ret = iio_ring_buffer_register(st->indio_dev->ring, 0);
if (ret < 0)
goto error_unregister_dev;
if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) {
@@ -1344,9 +1357,10 @@ static int __devinit __sca3000_probe(struct spi_device *spi,
* is overkill. At very least a simpler registration method
* might be worthwhile.
*/
- iio_add_event_to_list(iio_event_attr_accel_z_high.listel,
- &st->indio_dev
- ->interrupts[0]->ev_list);
+ iio_add_event_to_list(
+ iio_event_attr_accel_z_mag_either_rising_en.listel,
+ &st->indio_dev
+ ->interrupts[0]->ev_list);
}
sca3000_register_ring_funcs(st->indio_dev);
ret = sca3000_clean_setup(st);
@@ -1437,9 +1451,6 @@ static int sca3000_remove(struct spi_device *spi)
SCA3000_VARIANT_PROBE(d01);
static SCA3000_VARIANT_SPI_DRIVER(d01);
-SCA3000_VARIANT_PROBE(d03);
-static SCA3000_VARIANT_SPI_DRIVER(d03);
-
SCA3000_VARIANT_PROBE(e02);
static SCA3000_VARIANT_SPI_DRIVER(e02);
@@ -1449,9 +1460,6 @@ static SCA3000_VARIANT_SPI_DRIVER(e04);
SCA3000_VARIANT_PROBE(e05);
static SCA3000_VARIANT_SPI_DRIVER(e05);
-SCA3000_VARIANT_PROBE(l01);
-static SCA3000_VARIANT_SPI_DRIVER(l01);
-
static __init int sca3000_init(void)
{
int ret;
@@ -1459,32 +1467,22 @@ static __init int sca3000_init(void)
ret = spi_register_driver(&sca3000_d01_driver);
if (ret)
goto error_ret;
- ret = spi_register_driver(&sca3000_d03_driver);
- if (ret)
- goto error_unreg_d01;
ret = spi_register_driver(&sca3000_e02_driver);
if (ret)
- goto error_unreg_d03;
+ goto error_unreg_d01;
ret = spi_register_driver(&sca3000_e04_driver);
if (ret)
goto error_unreg_e02;
ret = spi_register_driver(&sca3000_e05_driver);
if (ret)
goto error_unreg_e04;
- ret = spi_register_driver(&sca3000_l01_driver);
- if (ret)
- goto error_unreg_e05;
return 0;
-error_unreg_e05:
- spi_unregister_driver(&sca3000_e05_driver);
error_unreg_e04:
spi_unregister_driver(&sca3000_e04_driver);
error_unreg_e02:
spi_unregister_driver(&sca3000_e02_driver);
-error_unreg_d03:
- spi_unregister_driver(&sca3000_d03_driver);
error_unreg_d01:
spi_unregister_driver(&sca3000_d01_driver);
error_ret:
@@ -1494,11 +1492,9 @@ error_ret:
static __exit void sca3000_exit(void)
{
- spi_unregister_driver(&sca3000_l01_driver);
spi_unregister_driver(&sca3000_e05_driver);
spi_unregister_driver(&sca3000_e04_driver);
spi_unregister_driver(&sca3000_e02_driver);
- spi_unregister_driver(&sca3000_d03_driver);
spi_unregister_driver(&sca3000_d01_driver);
}